Re: Scanning subnets w/CIDR

["peter pajak" <peterpajak () hotmail com>]

why would you want to dusable broadcast scans, that gives you valuable info 
like what routing protocol they use, if they use ntp etc. same goes for the 
subnets, you want to scan for them since this will tell you what address to 
spoof in case of router's access lists.

later.

> From: "Mark E. Drummond" <mark.drummond () rmc ca>
> To: nmap-hackers () insecure org
> Subject: Scanning subnets w/CIDR
> Date: Tue, 7 Mar 2000 13:57:34 -0500
>
> I have a class B net, chopped up into variously sized subnets. Can the 
> "/##"
> an address spec be any sized mask? /22 ? /20 ?
>
> Also, I noticed that nmap will scan the net address and broadcast address
> themselves. Should it not be coded to not scan these? Or perhaps a more
> flexible language for specifying address such as "x.x.x.x/xx EXCEPT x.x.x.x
> ..." ?
>
> --
> Mark Drummond
> Department of Computing Services
> UNIX System Administrator
>
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